package com.zerotwo.exam.test;

import org.junit.Test;

import java.util.HashSet;
import java.util.Set;

/**
 * @author 02
 * @version 1.0
 * @Date 2024/7/5
 * @Description
 */
public class GeneticAlgorithm {
    @Test
    void test(){
        Set<Integer> list=new HashSet();
        list.add(2);
        list.add(null);
        list.add(1);
        System.out.println(list);
    }
}
